(China (Mainland))
Product Summary
The DS1286 Watchdog Time keeper is a self-contained real time clock, alarm, watchdog timer, and interval timer in a 28-pin JEDEC DIP package. The DS1286 contains an embedded lithium energy sourceand a quartz crystal which eliminates the need for any external circuitry. Data contained within 64 eight-bit registers can be read or written in the same manner as bytewide static RAM. Data is maintained in the Watchdog Timekeeper by intelligent control circuitry which detects the status of VCC and write protects memory when VCC is out of tolerance. The lithium energy source can maintain data and real time for over 10 years in the absence of VCC. Watchdog Timekeeper information includes hundredths of seconds,seconds, minutes, hours, day, date, month, and year. The date at the end of the month is automatically.
Parametrics
DS1286 absolute maximum ratings: (1)Voltage on Any Pin Relative to Ground: -0.3V to +7.0V; (2)Operating Temperature: 0℃ to 70℃; (3)Storage Temperature: -40℃ to +70℃; (4)Soldering Temperature: 260℃ for 10 seconds.
Features
DS1286 features: (1)Keeps track of hundredths of seconds,seconds, minutes, hours, days, date of the month, months, and years; valid leap year compensation up to 2100; (2)Watchdog timer restarts an out-of-control processor; (3)Alarm function schedules real time-related activities; (4)All registers are individually addressable via the address and data bus; (5)Accuracy is better than ±1 minute/month at 25℃; (6)50 bytes of user NV RAM.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||
|---|---|---|---|---|---|---|---|---|---|---|
 |
 DS1286I |
Maxim Integrated Products |
Real Time Clock |
Data Sheet |
Negotiable |
|
||||
|
DS1286I+ |
Maxim Integrated Products |
Real Time Clock |
Data Sheet |
Negotiable |
|
||||
|
DS1286+ |
Maxim Integrated Products |
Real Time Clock |
Data Sheet |
Negotiable |
|
||||
|
DS1286 |
Maxim Integrated Products |
Real Time Clock |
Data Sheet |
Negotiable |
|
||||
